Create Background for a Website from a Picture

Hello, I need a Background for a website. It should have the Size of 1680 x 1000 Pixels. Please take a look at the Picture "Sketch2.jpg" this is how the Backgroung should look like in Action ( much. much more professional, i just did this in Photoshop in 2 Minutes to show what i need) . The Source File for you to work with is "Sourcefile2.jpg" . The Section in the middle where the Website is does not need to contain anything, you can leave that blank. But Please note the rounded corners on the Top (The Top of the Website with the Black Box). There needs to be something behind these rounded corners of course. The Plant from "Sourcefile2.jpg" needs to be sliced in half an placed to the left and the right of the "Website" as you can see it in the Picture. The Plant should mainly be visible up to a total height of 1280px. On the sides you should create a pattern that looks natural (like a plant in the shadow, as it is in the sourcefile) . The Whole Background should look professional and seamless. Please only bid if you know that you can do this well, i need a high quality Background. kind regards Benjamin